Wozniak of Canada eyes the ball

Aleksandra Wozniak of Canada eyes the ball as she returns a shot against Agnieszka Radwanska of Poland during their women's singles match at the Pan Pacific Open tennis tournament in Tokyo September 24, 2013.

Aleksandra Wozniak of Canada eyes the ball as she returns a shot against Agnieszka Radwanska of Poland during their women's singles match at the Pan Pacific Open tennis tournament in Tokyo September 24, 2013. (Toru Hanai / REUTERS)

Aleksandra Wozniak of Canada eyes the ball as she returns a shot against Agnieszka Radwanska of Poland during their women's singles match at the Pan Pacific Open tennis tournament in Tokyo September 24, 2013.